New extragalactic variable sources from an 8-GHz survey

Details New extragalactic variable sources from an 8-GHz survey New extragalactic variable sources from an 8-GHz survey

Nov 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974natur.252..212b&link_type=abstract

Nature, vol. 252, Nov. 15, 1974, p. 212-214. Research supported by the National Research Council of Canada.

Astronomy and Astrophysics

Astronomy

5

Extragalactic Radio Sources, Microwave Emission, Quasars, Radio Galaxies, Variable Stars, Radiant Flux Density, Radio Astronomy, Radio Telescopes, Stellar Spectra, Tables (Data)

Scientific paper

Repeated, accurate observations of 48 sources have been made at 2.7 GHz with the aid of a 300-foot transit telescope. Variability has been detected in two radio galaxies without centimeter excesses. The results for the 48 sources observed are summarized in a table. The observations confirm the finding by Brandie and Bridle (1974) that the stellar objects in the 8-GHz survey tend to be variable on time scales of a few years whereas the radio galaxies do not.

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